Pipe-repair clamp and radio ground



Sept. 7 1926.

S. M. KASS PIPE REPAIR CLAMP AND RADIO GROUND Filed Oct. 2; 1924Patented Sept. 7, 1926: 7

SAMUEL miss, I or. gHrnAnn Lmr A" r!ENNsYLvA1IA.'

: rrrnkanriii-rtonnmf are:Rabid-eati g I Jaa aieaa 6 IMy invention"relates to pipe re ,r

- clamps adapted specially atorepair leaks at ar efl er'fit i ig Y Ar iimy inveiit liis. PO r a i 1 flange eneten ze t e d m ng lm ni clincherjoint pipe" repair clampin 9rd to i onee ra ec amni epressu e t ha n.

A. ii'urther purpose? is. preferably. to fin;

. shoulders, as -from under the endsf ofsleeties a: u e see a o a ayfi'em sheila: as well asto present a 'hetter appearanh A u ther purpo eis 9 p e id' fish. a ingi-screw with 3 nut "within and integral with onenieinberof a pair of inter-clinching clamp members by piercing andswaging the sheet metal of the member to form an interior tubular bossand tapping the boss for the screw. 7

A further purpose'is to adapt a clamp of the general character describedto highly etficient use as a ground clamp for electric circuits. uFurther purposes will appear in the text and in the claims.

have illustrated my form, selecting a form which has proved to bepractical, efficient and inexpensive,- and 311 'which at thesame timewell illustrates theprinciples of my invention.

Figure 1 is a' side elevation showing my repair clamp stopping a pipeleak at the end I of a sleeve.

. in the plane of the paper.

' 'Figure 3'is a section of Figure 2 taken 1 it is desiredto compressthe packing over a larger area, the clamp can be reversed to use the"flange 17 which isprovidedy'vith a prefu upon the line 33. Figure4 is asection similar to .1 but showing the clamp stopping a leak in astraight length of pipe.

Figure 5 is a section similar to Figure 2,

butshowing the clamp in use as a ground clamp.

Inthe drawings similar .7 like parts.

Describing in illustration andnot in limitation and referring tothedrawings:

A desirable form of clamp is disclosed and described in my U. S. LettersPatent No. 1,487 ,337 dated March 18, 1924, and I aim better to adapt aclamp ofthis type to use in stopping leaks at shoulders while notinterfering with its use in straight lengths of pipe or with its goodappearance,

numerals indicate wan a fli g-e ath e d if the. campus element order btter adapt t c m;

' clamp from invention bybut one Figure 2 is a central section of Figure'1' Figure 2 pee-a cl iji mates 1 i i1 q 'git'udi ia ncherj ine 12 and,win-i.

t. threadin throughfnut15 locatedv inside Qfther ii a dl t e m r 10 Thnu s ere formed I. with n war ly K j l 'vei e w th" th me el e ne? i theclamp nieni ers f 1 J are .d scever d th t; he nut 1 5; m y

1e es 'a f th Hiem erjlle e y and s g ng a 's' '6wi lii li ,v

it ie screw 14.

ver e iawga nut. byte'e mg or Clamp-s of this type have hitherto beenquite effective when there was room to place the clamp with its" screwsubstantially-opposite-the leak, but much less eflective' w th lealrsat'the ends of fittings, such as couplings, Ts, Us and caps,"since theshoulder of the adjacent fitting then prevents i the properly extendingover the.

leak.

Iihave, discovered that inwardly flanging j one-end of the clampingelement" 10, asat 16, makes the clamp; much .better adapted to stopping;leaks at shoulders, and that it is ad- Vantageous-to 'alsoinwardlyflange the other tent.

' In Figures-1 to 3, the leak 18 adjacent'the r usual packing '21 and"the inwardly directed flange 16 presses into the packing just. above theleak, eflfectively closing the lealni "Where lengths axially oftheshaftto the extension.

. shoulder l9iof' the fitting 20 is covered with 7 ice ' It will be seenthat the packing is com clamping element 10 being supported against thebearing'edges of the flanges 16 and 17. i r I 4 pressed into the leakwith greatintensity, the wholereaction of the pipe against the Figure 4illustrates the clamp closing a leak 18. in a straight length of pipe.cient packing 21 is placed over the. leak to relievethe flanges 16 and17from pressure end, as at 17, though preferably-to a less exclamped.

' Obviously the flanges may depths (nearly radially); to obtain apart'of the advantage or of different radial depths, using the longeragai-nst'the packihg'so that the longitudinal component (parallel to thepipe axis) or" the inward swing of'th'e' flange as it is brought toposition, will 7 tend to shove the packinglongitudinally of the pipe andagainst theshou'lder. "If desired, one of the flanges may beoniittedaltogether.

In Figure 5 the clamp is used'as a ground clamp to grip a coil 0f wire23 about any seotion o'f pipe tightly against the pipe for good contact,preferably using an end'havin'g an extension 22 so as to avoid cuttingthe Wire and to increase the area of wire In "view of my invention anddisclosure variations and modifications to meet individual whim orparticular need will doubtless become evident to others skilled in theart, and I therefore claim all such in so far be of thesa-ine as theyfall within the reasonable spirit and scope of my invention. I Havingthus described my invention, what I; claim as new and desire to secureby Let- V ters Patent is 1. In a pipe repair olainp, two clamp membersunited by clincher joints and together surrounding the pipe; screw meansfor tight ening the clamp, and an inwardly directed end oi one oftheclaniplng flange on one members V "2. In a pipe repairclam'p twoclamp I116Ii1- bers united by clincher joints and together surroundingthe pipe, screw means for tight.-

ening the clamp, and; an inwardly directed I flange at each end of oneof the clamping members.

3-. In a pip'e'repair clamp, two clanipinenibers united by clincherjoints and surround- 7 ing the, pipe, an integral apertured and threadedsleeve in 'part punched from the inaterialof the clamp member andextending inwardly from one of them and'a screw within the sleeveadapted to engage the pipe.

SAMUEL M. KASS,

